code: def _fork_to(self, graph: Graph):
      raise NotImplementedError
  
imports: import copy
  from typing import Dict, Tuple, Any, Type, cast
  from nni.common.device import Device, CPUDevice
  from nni.mutable.utils import uid
  from nni.nas.space import Edge, Graph, GraphModelSpace, Node
  from nni.nas.space.graph_op import Cell, Operation, _IOPseudoOperation
label_desc: Use image node_id 3 for calling the AbstractLogicalNode obj's underlying member method code with example usage: obj._fork_to(graph) without return types